Get enough sleep every night
Eat a balanced diet with enough protein, healthy fats, vitamins, and minerals
Include foods rich in biotin, zinc, vitamin D, vitamin B12, iron, and omega-3s
Drink plenty of water
Exercise regularly
Reduce stress
Keep your face clean and moisturized
Exfoliate your skin gently a few times a week
Avoid smoking, vaping, and drugs
Do not shave more often expecting it to grow faster
Be patient, since beard growth in teenagers depends a lot on genetics and hormones
Maintain a healthy body weight
Avoid touching or picking at facial hair
Use a gentle beard or face oil if your skin gets dry
See a doctor if you have signs of hormonal issues or very patchy growth that concerns you